/Engine/Plugins/Experimental/PCG/Source/PCG/Public/Elements/Metadata/PCGMetadataElementCommon.h
Creates a new attribute, or clears the attribute if it already exists and is a 'T' type
namespace PCGMetadataElementCommon { template<typename T> FPCGMetadataAttribute< T > * PCGMetadataElementCommon::ClearOrCreateAttribute ( [UPCGMetadata](API\Plugins\PCG\Metadata\UPCGMetadata) * Metadata, const [FName](API\Runtime\Core\UObject\FName) & DestinationAttribute, T DefaultValue ) }